How can I create a rollover effect in my navbar using CSS? I want a light bulb icon to appear above a link when the user hovers over it.
.navbar .nav a, .navbar .nav .a {
font-size: 16px;
}
.navbar .nav a:hover, .navbar .nav .a:hover {
background-image: url('lightbulb.png');
background-repeat: no-repeat;
background-position: center top;
background-size: contain;
display:block;
}
To ensure that the light bulb is positioned exactly above the text, one solution could be to place the background code within a pseudo-element so that it can be easily aligned with the text.
This concise code snippet creates some space above the element using padding - the actual implementation may vary based on the specific layout considerations, such as positioning relative to a navbar.
a {
font-size: 16px;
padding-top: 20px;
display: inline-block;
position: relative;
}
a::before {
content: '';
position: relative;
height: 20px;
aspect-ratio: 1 / 1;
left: 50%;
top: 0;
transform: translate(-50%, -100%);
display: inline-block;
}
a:hover::before {
background-image: url('https://i.sstatic.net/dp2LF.png');
background-repeat: no-repeat;
background-position: center top;
background-size: contain;
}<a href='#'>Hover</a>body {
margin: 3rem;
}
nav {
display: flex;
gap: 2.5rem;
}
nav div {
cursor: pointer;
}
nav li {
position: relative;
list-style: none;
}
nav li::before {
content: '';
position: absolute;
width: 30px;
height: 30px;
left: calc(50% - 15px);
top: -30px;
display: none;
background-image: url('https://media.istockphoto.com/vectors/light-bulb-icon-vector-light-bulb-ideas-symbol-illustration-vector-id1167459261?k=20&m=1167459261&s=170667a&w=0&h=3KSKkFUNQoPvoS70bzIWeT1fXRuB9rzap6VC1HipCgg=');
background-size: contain;
}
nav div:hover li::before {
display: block;
}<nav>
<div>
<li>List Item</li>
</div>
<div>
<li>List Item</li>
</div>
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